Duker R, Cowling RM, du Preez DR & Potts A. 2015. Frost, Portulacaria afra Jacq., and the boundary between the Albany subtropical thicket and Nama-Karoo biomes. South African Journal of Botany 101:112–119.
Duker R, Cowling RM, du Preez DR & Potts A. 2015. Frost, Portulacaria afra Jacq., and the boundary between the Albany subtropical thicket and Nama-Karoo biomes. South African Journal of Botany 101:112–119.